package InputStream;import java.io.*;//从file.txt中每读出一行，就将其显示出来，并在行首加上字符串read;public class FileToUnicode {    public static void main(String[] args) {        try{                FileInputStream fis = new FileInputStream("D:\\IDEA\\src\\InputStream\\file.txt");                InputStreamReader dis = new InputStreamReader(fis);                BufferedReader reader = new BufferedReader(dis);                String s;                while((s = reader.readLine())!= null) {         //readLine()--BufferedReader 从输入流中读取一行字符，\n  \r                    System.out.println("read: " + s);                }            }catch (IOException e){            System.out.println(e);        }    }}